The 2017 Wenzhou Seminar led by Sunbond Optix on August 18th, 2017 at the Wenzhou YuTing hotel.

The 2017 Xiamen Seminar led by Sunbond Optix on July 18th, 2017 at the Xiamen Miramar Hotel.

The 2016 Xiamen Optical Power and Transmittance Seminar led by Sunbond Optix on May 10th, 2016 at the Xiamen Miramar Hotel.

The 2015 Xiamen Seminar led by Sunbond Optix on September 15th, 2015 at the Xiamen Miramar Hotel.